City of Alexandria, Virginia
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MEMORANDUM
DATE: MAY 4, 2016
TO: THE HONORABLE MAYOR AND MEMBERS OF CITY COUNCIL
FROM: MARK B. JINKS, CITY MANAGER /s/
DOCKET TITLE:
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Consideration of the Framework of the Combined Sewer System Long Term Control Plan Update (LTCPU).
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ISSUE: Consideration of the framework of the Long Term Control Plan Update for the Combined Sewer System.
RECOMMENDATION: That City Council take the following actions related to the Long Term Control Plan for the Combined Sewer System:
1. Receive the framework of the Long Term Control Plan Update for the Combined Sewer System, as also outlined in the Draft Executive Summary of LTCPU (Attachment 1) which would be finalized for submission to the Virginia Department of Environmental Quality (VDEQ) in August, after City Council approval;
2. Thank the Ad Hoc Combined Sewer System Plan Stakeholder Group for their efforts in providing input during the development of the plan update and communicating with the public;
3. Docket the item for Public Hearing and consideration on May 14, 2016 to solicit feedback on the proposed LTCPU framework;
4. Following the public hearing approve the Long Term Control Plan Update framework; and
5. Authorize the City Manager to submit the final LTCPU document to the Virginia Department of Environmental Quality no later than August 23, 2016.
BACKGROUND: The City of Alexandria has a Combined Sewer System (CSS) that consists of approximately 540 acres located in the Old Town area. During dry weather, sanitary wastewater collected in the CSS is conveyed to the Alexandria Renew Enterprises (AlexRenew) wastewater treatment facility. During rain events, the capacity of the CSS may be exceeded and this excess flow, which is a mixture of sanitary sewage and stormwater, is discharged directly to Hunting Creek, Hooffs Run or Oronoco Bay throu...
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